Pound to Kilogram calculator (lb to kg)

Convert pounds to kilograms (lb to kg) by typing the amount of pounds in the input field below and then clicking in the "Convert" button. If you want to convert from kilograms to pounds, you can use our kilogram to pound converter.


Formula used to convert lb to kg:

F(x) = x / 2.2046226218

For example, if you want to convert 1 lb to kg, just replace x by 1 [lb]:

1 lb = 1 / 2.2046226218 = 0.45359237001003544 kg


  1. Divide the amount of pounds by 2.2046226218.
  2. The result will be expressed in kilograms.

Pound to Kilogram Conversion Table

The following table will show the most common conversions for Pounds (lb) to Kilograms (kg):

Pounds (lb) Kilograms (kg)
0.001 lb 0.0004535923700100354 kg
0.01 lb 0.004535923700100354 kg
0.1 lb 0.04535923700100355 kg
1 lb 0.45359237001003544 kg
2 lb 0.9071847400200709 kg
3 lb 1.3607771100301063 kg
4 lb 1.8143694800401418 kg
5 lb 2.267961850050177 kg
6 lb 2.7215542200602125 kg
7 lb 3.175146590070248 kg
8 lb 3.6287389600802835 kg
9 lb 4.082331330090319 kg
10 lb 4.535923700100354 kg
20 lb 9.071847400200708 kg
30 lb 13.607771100301063 kg
40 lb 18.143694800401416 kg
50 lb 22.67961850050177 kg
60 lb 27.215542200602126 kg
70 lb 31.75146590070248 kg
80 lb 36.28738960080283 kg
90 lb 40.82331330090319 kg
100 lb 45.35923700100354 kg

About the converter

How many kilograms are in a pound? 1 pound [lb] is equal to 0.45359237001003544 kilograms [kg].

Note that this is a high-precision lb to kg calculator, but rounding errors may occur (in a very small percentage of the cases).

Convert pounds to kilograms (lb to kg) by pasting or typing the amount of pounds in the pounds input. Check the formula section to manually convert lb to kg.

About Pounds (lb)

The pound or pound-mass is a unit of mass. The most common definition today of a pound is the international avoirdupois pound, which is defined as exactly 0.45359237 kilograms. The symbol used to express pounds is lb.

An avoirdupois pound (traditional pound) is equal to 16 avoirdupois ounces and to exactly 7,000 grains. The conversion factor between the kilogram and the international pound was therefore chosen to be divisible by 7.

About Kilograms (kg)

A kilogram is a widely used unit of weight, defined on the International System of Units (SI). One kilogram is equal to 1000 grams. The symbol used to represent kilograms is kg.

The kilogram is used to measure almost everything, from food, materials such as wood, your weight, among others.

FAQs for Pound to Kilogram converter calculator

What is Pound to Kilogram converter calculator?

Pound to Kilogram converter is a free and online calculator that converts Pounds to Kilograms.

How do I use Pound to Kilogram converter?

  1. Either copy and paste or type the amount of pounds to convert in the pounds input.
  2. Click on the Convert button.
  3. It will convert pounds into kilograms and output it in the kilograms input.

Which browsers are supported?

All mayor web browsers are supported, including Internet Explorer, Microsoft Edge, Firefox, Chrome, Safari and Opera.

Which devices does Pound to Kilogram converter work on?

Pound to Kilogram converter calculator works in any device that supports any of the browsers mentioned before. It can be a smartphone, desktop computer, notebook, tablet, etc.